Abstract: A keyboard includes a substrate, a limit connecting member, a keycap, and a liftable connecting member. The assembly area of the substrate includes a long fixation hole having two short sides, a first long side, and a second long side. A portion of the bottom surface of the substrate is further recessed to form a long bottom groove, and two ends of the long bottom groove are near to the two short sides. The limit connecting member is disposed on the assembly area and includes a fixed seat in the long fixation hole and a standing portion extending from the fixed seat. The fixed seat includes a lower wing plate correspondingly fixed in the long bottom groove. The keycap is disposed on the assembly area. The liftable connecting member is connected between the keycap and the assembly area and includes a shaft disposed on the limit connecting member.

Abstract: A wall-mounted keypad may include a light detector circuit located inside the keypad that is configured to measure an ambient light level in a space. The light detector circuit may receive ambient light through an aperture that is hidden from view by the keypad. The keypad may include a reflector for directing ambient light onto the light detector circuit. The keypad may include an enclosure that houses the light detector circuit. The enclosure may define a recess that exposes at least a portion of the light detector circuit. The enclosure may include a reflector that may focus ambient light received through the aperture onto the light detector circuit. The keypad may include a control circuit that may be configured to illuminate the indicia of respective buttons of the control device in response to actuations of the one or more buttons, in accordance with the measured ambient light level.

Abstract: A keycap structure includes a keycap body and a single coating layer. The keycap body has a top surface and a bottom surface. The single coating layer is formed on the top surface. The single coating layer is formed by coating a paint. The paint is a UV paint or a PU paint.

Abstract: The disclosure generally relates to a keyboard and, more particularly, to a silent keyboard. A first pressing portion is formed of two strengthening strip elements intersected with each other, and utilized to enhance the rigidity and stability of four guiding pillars. Two grooves are formed on the inner walls of a first frame. Two hooks positioned in opposing sides and two silencing strip elements positioned in opposing sides are formed on the underside of a first key cap and extend outward from the first key cap. The two hooks respectively engage with the two grooves, while each hook is arranged to operably slide along a corresponding groove. The two silencing strip elements engage with the inner walls of the first frame, so that a first key structure can slide steadily within the first frame and does not tilt while sliding.

Abstract: Embodiments of the present invention are directed to merchandise security systems and methods for displaying and protecting an article of merchandise from theft. In one example, the system includes a sensor configured to be secured to the article of merchandise, wherein the sensor includes alarming circuitry. The system also includes a tether comprising a pair of conductors electrically connected to the alarming circuitry, wherein the pair of conductors is configured to transfer power to the sensor and/or to the article of merchandise. In response to power ceasing to be transferred, the alarming circuitry is configured to monitor an electrical signal transmitted through the pair of conductors in order to determine whether the tether has been cut or removed from the sensor.

Abstract: Methods, systems, apparatuses, and computer program products are provided for a user input device, such as a game controller. The user input device includes a finger depressible trigger button, a trigger travel path adjustment assembly that resides in an internal cavity of a housing of the user input device, and a finger switch configured to be switched between a plurality of selectable positions in real-time (e.g., during game play). A first selectable position of the finger switch enables the trigger button to be depressed a first distance. A second selectable position of the finger switch enables the trigger button to be depressed a second distance that is greater than the first distance.

Abstract: A push-button with a receptacle and a cover plate, an actuating button actuatable in translation between two positions, a rest position and a pushed-in position, the cover plate being arranged at the periphery of the actuating button, a device for guiding the actuating button in translation between the two positions, and a return device for returning the actuating button from the pushed-in position toward the rest position. The guiding device include at least a pin including a bent rod shaped to have a first part pivotally mounted on a fastening unit of the actuating button and a second part pivotally mounted on a fastening unit of the cover plate, and the return device are designed to act on the pin by mechanical or magnetic effect.

Abstract: In a push button portion of a button member, a first supported portion is supported by a push-in portion of a push-in type switch. A second supported portion is supported in a second area by an electronic board. The second area is adjacent to one side of the electronic component. The push-in type switch is present in a first area which is adjacent to another side of the electronic component that is opposite to the one side. An elastic portion connects a portion including the second supported portion to a portion including the push button portion and the first supported portion. A plurality of guided portions are restricted by a plurality of guide projection portions projecting from an exterior member, from being displaced in a direction intersecting a depth direction. The plurality of guide projection portions are provided in the first area and the second area.

Abstract: A button structure includes a button and a fixing portion; wherein the fixing portion is configured for fixing the button, the fixing portion includes a first latching portion and a second latching portion, and the first latching portion includes a first latching opening, and the second latching portion includes a second latching opening, and the first latching opening has an opening direction substantially perpendicular to an opening direction of the second latching opening, and the first latching opening and the second latching opening are engaged with the button. An electronic device is also provided. The electronic device includes a housing and the button structure, the button structure is received in the housing.

Abstract: A switch mounting device comprises: a resin seat having an upper surface and a lower surface; a switch mounted on the upper surface of the seat; and terminal members fixed to the lower surface. The seat has claw parts on the lower surface thereof. The switch has a main body part, which is operated by pressing in the X direction, and connection terminals extending downward from this main body part. With connection terminals led out to the lower surface of the seat, the connection terminals are electrically connected to the terminal members. The terminal members are fixed to the seat by the claw parts by way of being slid along the lower surface of the seat.

Abstract: A switch device includes an actuation unit, a movable unit, a first base, and a second spring, which is a torsion coil spring that acts between the actuation unit and the movable unit. The movable unit is movable with respect to the base. The second spring applies a force to the actuation unit when the actuation unit is at a third position in a direction that is not parallel to a direction in which the torsion coil spring applies a force to the actuation unit when the actuation unit is at a fourth position.

Abstract: The invention relates to an interface module for a device unit, comprising a communication unit suitable for being communicatively connected to an electronics module of the device unit, the communication unit being suitable for enabling the input of information by a user and/or the output of information to a user; a holding element suitable for being fastened to the electronics module; and a connection connecting the communication unit and the holding element to one another, wherein the connection is a joint, and the communication unit is movable relative to the holding element between a first folding position and a second folding position by means of the joint.

Abstract: A control unit 20, including a circuit board and a switch unit, is arranged in a housing space in a door handle. The switch unit has a switch component, which is fastened to the circuit board, a hard switch case, which covers the switch component, a soft pushbutton, which operates the switch component, and a hard cover member, which is fastened to the switch case. The pushbutton has a pushing part in the shape of a cap, a flange, which extends from the bottom end of the pushing part, and an operation projection, which is inserted into an insertion opening in a roof. The switch case and the pushbutton are united by the cover member, and the flange is brought into close contact with the roof all the way therearound, by the cover member.

Abstract: A magnetic keyboard has a plurality of magnetic keyswitches, and each magnetic keyswitch include a base, a keycap, a supporting device, a magnetic component and a metal thin sheet. The base has at least one engaging structure and a hole. The supporting device has a first support, an end of the first support is movably connected to the engaging structure, and the other end of the first support is movably connected to the keycap. The first support has a magnet portion. The magnetic component is disposed on the base and functioned with the magnet portion to provide a recovering force to the keycap. The metal thin sheet is disposed under the base and has a bendable cantilever portion covering the hole. While the cantilever portion is bent by an external force, the magnetic component can be removed through the hole.

Abstract: A supervision and control system for preventing poor air quality and fire, includes an indicator unit configured to be mounted to the ceiling or wall and includes an air quality sensor configured to measure air quality information; one or more integrated steerable infrared remote thermometers, steerable to home appliances or electrical devices; and one or more control and supervision units implemented as an additional device or as an integrated programmatic characteristic. The indicator unit is also configured to be connected to the home appliances or the electrical devices for analyzing and detecting deteriorating air quality or danger. The indicator unit is configured to send air quality information and temperature information to at least one of the control and supervision units.

Abstract: A wall-mounted keypad may include a light detector circuit located inside the keypad that is configured to measure an ambient light level in a space. The light detector circuit may receive ambient light through an aperture that is hidden from view by the keypad. The keypad may include a reflector for directing ambient light onto the light detector circuit. The keypad may include an enclosure that houses the light detector circuit. The enclosure may define a recess that exposes at least a portion of the light detector circuit. The enclosure may include a reflector that may focus ambient light received through the aperture onto the light detector circuit. The keypad may include a control circuit that may be configured to illuminate the indicia of respective buttons of the control device in response to actuations of the one or more buttons, in accordance with the measured ambient light level.

Abstract: The disclosure relates to a manually operable tactile input/output device for a data processing system, in particular a tactile computer mouse, which is configured with a housing and a plurality of actuators in operative connection with the housing and in which the actuators are arranged and jointly controlled in the housing to cause at least temporarily a tactile perception by a user in manual contact with the housing, by which simultaneously at least two and in particular all five tactile perception dimensions of microscopic roughness, macroscopic roughness, friction, hardness and heat are simulated. Furthermore, the disclosure relates to an operating method for a manually operable tactile input/output device and a data processing system.

Abstract: A water dispenser assembly for a refrigerator includes a housing having a front fascia with an actuator receiving area. An actuator is received in the actuator receiving area and includes inner and outer surfaces. The actuator is operable between at-rest and pressed positions. A hinge pin includes upper and lower ends with a body portion disposed therebetween. The upper and lower ends are pivotally coupled to upper and lower portions of the actuator receiving area to rotate the body portion of the hinge pin between extended and retracted positions. The body portion is further coupled to the inner surface of the actuator for movement therewith.

Abstract: The invention provides a key structure, which includes a carrying plate, a trigger member, a keycap, and a reciprocating member. The trigger member is disposed on the carrying plate, and includes a bearing portion, a pillar portion, a trigger portion and a connecting portion. The bearing portion and the trigger portion are respectively disposed at two opposite sides of the pillar portion, and the pillar portion is perpendicular to the carrying plate. The trigger portion protrudes toward the carrying plate. The connecting portion is circularly disposed at one side of the pillar portion facing the carrying plate, extends from the pillar portion toward the carrying plate, and is obliquely connected to the carrying plate. The keycap is disposed on the bearing portion. The reciprocating member comprises two opposite ends respectively connected to the carrying plate and the keycap.

Abstract: A supervision and control method for preventing poor air quality and fire uses an indicator unit mounted to the ceiling or on a wall and provided with an air quality sensor, and one or more control and supervision units as additional devices or as integrated or programmatic characteristics connected to home appliances or electrical devices. The air quality information measured by the air quality sensor is sent from the indicator unit to the control and supervision unit, which monitors, ventilates, and controls the operation and/or energy supply of home appliances or electrical devices on the basis of air quality information. The effect of control on air quality is monitored by the air quality sensor and an alarm is issued and/or the supply of electricity to predetermined home appliances and/or electrical devices is cut off if, regardless of control, a preset alarm limit is exceeded, when the presence of a user is not detected.

Abstract: An assembly of mechanical components includes a solder joint between two metal components. A mounted component is retained on one side of a support structure by a solder joint on the other side of the support structure between a retainer and a connector that is fast with the mounted component and extends through the support structure. The retainer is of sheet metal construction, so that a height of the solder joint is no more than the thickness of the retainer, thus providing a low-profile joint. The assembly may be in the form of a movable push button for control of an electronic device.

Abstract: A touch-sensitive depressible button with multiple depression thresholds is provided. When the button is depressed to a first depression threshold, the touch sensor can be switched from a low-power, non-sensing state to a sensing state. When the button is depressed to a second depression threshold, the touch sensor can sense the touch context and input can be generated based on the depression and the touch context. In this way, the touch-sensitive depressible button with multiple depression thresholds can facilitate timely switching of the touch sensor to a sensing state.

Abstract: An electronic device includes an outer housing including a first surface, a second surface, and a side surface, a printed circuit board seated in the outer housing, and at least one side key coupled to a peripheral area of the outer housing. The side key includes at least one contact part exposed through a through-hole formed in the side surface of the outer housing, a side key circuit board including a switch module that contacts the contact part when the contact part is pressed, the side key circuit board being electrically connected to the printed circuit board, a side key bracket in which at least a portion of the side key circuit board is seated and which fixes and supports the side key circuit board, and one or more molded members that are coupled to opposite ends of the side key bracket and are coupled to the outer housing.

Abstract: A keyswitch structure includes a base, a keycap, a first support, a second support, and a connection structure. The keycap moves up and down relative to the base through the first support and the second support. The connection structure is disposed on the base and includes a vertical-motion limiting part and a horizontal-motion limiting part. The first support includes a rod-shaped connection portion and is connected to the connection structure through the rod-shaped connection portion. The vertical-motion limiting part prevents the rod-shaped connection portion from vertically moving. The horizontal-motion limiting part limits the horizontal movement of the rod-shaped connection portion. The vertical-motion limiting part and the horizontal-motion limiting part are separated in the rotation axis of the rod-shaped connection portion.

Abstract: A key stem for a key module of a key for a keyboard is proposed. The key stem has a coupling section for coupling a key button thereto, and a guidance section for guiding a key stem into a receiving section of the key module when the key stem is actuated between a standby position and an actuation position. The key stem is includes at least one elastically deformable end stop element, which is disposed on the guidance section and is designed to bear against at least one end stop section of the key module when the key stem is actuated into the actuation position. The key stem also includes at least one elastically deformable return stop element, which is disposed on the guidance section and is designed to bear against at least one return stop section of the key module when the key stem has been actuated back into the standby position.

Abstract: A safety lockout device for switchgear includes a movable member adapted to be moved from a first position to a second position. A switch is adapted to electrically isolate a motor in the switchgear and a blocking arm is coupled to a shaft of the motor. In the first position, the movable member engages the switch to close the electrical motor circuit and the blocking arm is free to rotate with the motor shaft. In the second position, the movable member moves away from the switch so that the switch is in an open circuit state disconnecting power to the motor and a portion of the movable member is moved to a position whereby the blocking arm engages the movable member to prevent rotation of the motor shaft and a change of state of the switchgear. The position of the movable member relative to the switch provides a visual indication of the operating state of the switchgear.

Abstract: A key stabilizer is provided, in which the key stabilizer includes a keycap and a balance bar. The keycap has a bottom surface and two protruding portions disposed thereon. The keycap moves back and forth along a vertical direction between a top position and a bottom position. Each of the two protruding portions has an engaging portion at the end thereof. The bottom surface faces the bottom position, and the two protruding portions are arranged along a horizontal direction that is perpendicular to the vertical direction. The balance bar has a hinge portion and two side portions respectively connected to both ends of the hinge portion. The hinge portion is positioned on a rotation axis parallel to the horizontal direction. The end of each of the two side portions that is away from the hinge portion is inserted into the engaging portion.

Abstract: An input device with an adjustable force level is provided. The input device includes a circuit board and a key structure. The key structure includes a key body, a casing and a pressure-adjustable elastic receptacle. The pressure-adjustable elastic receptacle is partially or completely accommodated within the casing and sustaining the key body. When the key body is moved downwardly, a resisting force to resist the key body is provided by the pressure-adjustable elastic receptacle and the force level of the resisting force is adjusted by the user. When a force with the force level is applied to the key body by the user, a switch of the circuit board is triggered.

Abstract: The present invention relates to a key structure, including a flexible key cap, a conducting plate, a switch circuit board capable of generating a key signal, and an elastic element. The conducting plate is fixed on an inner surface of the flexible key cap and in contact with a plurality of inner sidewalls of the flexible key cap. The switch circuit board is disposed below the conducting plate, and the elastic element is disposed between the conducting plate and the switch circuit board. When the flexible key cap receives the pressing force, the conducting plate twists due to deformation of the flexible key cap, and pushes the plurality of inner sidewalls of the flexible key cap, so as to conduct a pressing force to a corner of the flexible key cap.

Abstract: According to various embodiments, an input device may be provided. The input device may include: a housing having an upper portion and a lower portion; a key top provided at the upper portion; a switch coupled to the key top; a biasing element having a first end and a second end, wherein the first end is coupled to the key top, and wherein the second end is coupled to the lower portion; and an adjustment mechanism configured to adjust a pretension of the biasing element.

Abstract: A panel-type control button, including: a press key base, a press key panel, a switch board and a springback key. The press key panel is snap-fitted on the front surface of the press key base, and one end of the press key panel is rotatably mounted at one end of the press key base. The switch board is located on the back surface of the press key base, and is provided thereon with a switch element. The springback key is located above the switch element of the switch board. When the press key panel is pressed, the press key panel comes into contact with the springback key and triggers the switch element on the switch board, and further controls the opening and closing of the switch element. The springback key provides a springback force for the press key panel to reset.

Abstract: A panel includes a light-transmissive main body including an upper portion and a plurality of side portions contiguous with the upper portion, a recess being formed at a border between an inner surface of the upper portion and an inner surface of at least one of the plurality of side portions, and a light-blocking part formed in the recess and on an inner surface of the main body except a design part that transmits light, the light-blocking part being configured to block light.

Abstract: A venting system for a keyboard assembly is disclosed. A keyboard assembly including a printed circuit board defining a set of apertures, and a group of switch housings coupled to the printed circuit board. Each switch housing of the group of switch housings may define a switch opening positioned above one of the set of apertures of the printed circuit board. The keyboard assembly may also include a shield defining at least one channel of a venting system formed below the printed circuit board. The at least one channel may be in fluid communication with at least one aperture, and at least one of the switch openings positioned above the at least one aperture.

Abstract: An electric pushbutton switch includes a pushbutton, a rocker, and a housing. The pushbutton has a substantially rectangular actuating surface. The pushbutton is received within the housing and is displaceable connected to the housing. The pushbutton displaces with respect to the housing by way of a pressure actuation onto the actuating surface, thus triggering an electrical switching element. The rocker is box-shaped and is arranged within the housing beneath the pushbutton body and is at least partially encompassed by the pushbutton. The rocker is mounted on an inner longitudinally extending wall of the housing by a pivot bearing. By actuating the actuating surface, the rocker pivots about the pivot bearing while supporting the pushbutton along the longitudinal extension of the pushbutton.

Abstract: A connector that is to be connected to another connector and includes a connection terminal, a fixed contact, a movable contact provided at an end of a movable plate, a card comprised of an insulator and configured to move the movable plate, and a button configured to move the card. The connector is configured such that while another connection terminal of the another connector is in contact with the connection terminal of the connector, the button is moved by the another connector, and the movable plate is moved by the card to cause the movable contact to contact the fixed contact.

Abstract: In a modular switch panel assembly, a switch cover with an aperture and a switch button having a button portion and an integral mounting portion are provided. The mounting portion comprises at least first and second spring members protruding laterally of and at opposite sides of the button portion. Each of the spring members has a meandering path shape and has one end integral with the button portion and an opposite end attached to the switch cover such that the button portion extends through the aperture. A printed circuit board has a switch, and is attached to the switch cover such that the switch is adjacent to a bottom surface of the switch button.

Abstract: A switch assembly is adapted to be disposed in a holding portion of a hand-held device. The switch assembly includes first and second keys, first and second connecting portions, a switch element and a plunger. The first and second keys are exposed on the surface of the holding portion and respectively disposed on the opposite sides thereof. The first and second connecting portions respectively connect the first and second keys and the holding portion. The first and second connecting portions are disposed for allowing the first key having a displacement toward the second key along their connecting direction. The switch element is located inside of the holding portion, and the first key has a first backside toward the second key. The second key has a second backside toward the first key. The plunger is adapted to press and activate the switch element through the displacement.

Abstract: A key mechanism for an electronic device includes a switch housing and a hinged structure. As one example, the hinged structure can be a butterfly hinge. The switch housing includes switch pin retaining mechanisms on opposing sides of the switch housing. The hinged structure includes two separate wings that are positioned adjacent to each other such that a cavity is formed between the two wings. The two wings are coupled together by coupling elements. The wings of the hinged structure can include switch housing pins on each arm of the wing that extend into the cavity and couple to the switch pin retaining mechanisms in the switch housing. Various configurations of switch pin retaining mechanisms and switch housing pins can be used to attach the hinged structure to the switch housing.

Abstract: A key structure with mechanical switch includes a keycap, a support plate board disposed under the keycap, a scissor unit, a receiving housing, a guiding outer cylinder, a rotating inner cylinder and an elastic element. The scissor unit guides the keycap up or down along a pressing direction. The receiving housing has a plurality of sectional boards and a plurality of sectional cutouts. The guiding outer cylinder is movably received in the receiving housing along the pressing direction, and abuts against a bottom surface of the keycap. The guiding outer cylinder has a plurality of positioning bumps and a plurality of lodging recesses. The rotating inner cylinder is received in the guiding outer cylinder and has a plurality of sliding bumps. The elastic element is located in the rotating inner cylinder to provide elasticity toward the keycap. The present disclosure also provides a mechanical switch.

Abstract: A keyswitch includes a cap, a support structure, a first magnet, and a baseplate having a bending arm protruding from the baseplate and a support rib extending horizontally to form a receiving space with the bending arm. The support structure includes a first support member pivoted to the baseplate and against the cap and a magnetic permeable plate extending from the first support member and being above the receiving space. The first magnet is inserted into the receiving space to be supported by the support rib and be pressed by the bending arm. When the cap is pressed to make the magnetic permeable plate away from the first magnet as the first support member rotates, the cap moves to a pressed position. When the cap is released, a magnetic attraction force between the magnetic permeable plate and the first magnet drives the magnetic permeable plate to approach the first magnet.

Abstract: A keyswitch uses a magnetic attraction force produced between and by a fixed part, fixedly disposed relative to a base, and a movable part, movably disposed relative to the base, as a driving force for returning a keycap to its original position. The movable part is between the fixed part and the base. The keyswitch also uses a force transmission part disposed between the keycap and the movable part as an intermediate for transferring force from the keycap to the movable part. When a force for pressing the keycap downward overcomes the magnetic attraction force, the movable part moves toward the base and then triggers a switch.

Abstract: Disclosed systems provide keyboard backlighting from organic light emitting diodes (OLEDs) placed under the keys. A keyboard stack optionally includes a light guide or reflector. A single OLED can illuminate multiple keys through a light guide. OLEDs used for backlighting may be arranged in a strip to illuminate more than one key. OLEDs can be deposited directly to the light guide or reflector, and can include a seal to promote air stability.

Abstract: A key structure includes a base, a keycap, and a connecting rod. The base includes a structural plate and a connecting plate. The connecting plate is configured on the structural plate. The keycap is configured on the structural plate and includes a plate body and a first hook. The connecting rod is configured under the structural plate and extending towards an extension direction. The connecting rod includes at least a second hook. The connecting rod moves along the extension direction relative to the base to drive the second hook to be fastened to or detached from the first hook. When the first hook is detached from the second hook, the keycap moves relative to the connecting rod to expose the space between the keycap and the base, and then the key structure is easily repaired or cleaned.

Abstract: A key structure is provided. The key structure comprises a substrate, a membrane circuit disposed on the substrate, a conduction switch disposed on the membrane circuit, a keycap, a bending portion fixed to the keycap, an elastic member disposed on the membrane circuit and abutting against the keycap, and a connecting rod disposed movably between the membrane circuit and the keycap. The connecting rod includes an operating arm and an engaging portion. The operating arm is connected to the engaging portion, and the engaging portion selectively engages with the bending portion. When the operating arm moves in a direction parallel to a surface of the keycap, the operating arm drives the engaging portion to disengage from the bending portion and the elastic member provides a force against the keycap to move the keycap away from the conduction switch.

Abstract: A key structure includes a supporting plate, a keycap, a scissors-type connecting element, a movable element and a coupling structure. The keycap is disposed over the supporting plate. The coupling structure is connected with the scissors-type connecting element and the movable element. For operating the key structure, the cooperation of the movable element and the coupling structure allows the keycap to be at a higher first height. Consequently, the tactile feel of depressing the key structure is enhanced. Moreover, the cooperation of the movable element and the coupling structure can lower the height of the keycap. Consequently, the key structure has a slim appearance.

Abstract: A push lock switch apparatus is provided. The apparatus includes a plunger that is inserted in a housing and slides and includes a moving passage in the inside thereof. A lock pin is hinged at a bottom portion of the housing and interferes with the moving passage to regulate the slide movement of the plunger. A return spring is disposed in the housing and is able to provide an elastic force to the plunger and allows the lock pin to rotate on the moving passage by pressurizing the lock pin. Additionally, a movable contactor is engaged with the plunger and slides together with the plunger and contacts a fixed terminal disposed at an outer side of the housing when the plunger slides.

Abstract: A balanced high efficiency outdoor heater is provided to increase the heat radiation area, and to improve the stability of the structure. The heater includes a burner provided at an upper end of a standing column, a bottom base provided at a lower end of the standing column, and a beam is set between the burner and the standing column. The beam and the standing column are connected by pipe fittings. An ignition control device is equipped inside the base and is connected to the burner. An electrode rod and a thermocoupler are connected to the ignition control device under the burner. A first reflector is fixedly connected to the lower end of the burner and a gas valve is equipped in the bottom base. Compared with the prior art, the burner uses sintered felt and a heating surface of the burner faces upside down to improve thermal efficiency.

Abstract: A detachable keyswitch mechanism includes a base and a keyswitch. The base includes a bottom plate and a lateral plate bent from the bottom plate. The base further includes an opening structure disposed on the lateral plate, a first rotating portion disposed between the bottom plate and the lateral plate, and a constraining portion disposed on the bottom plate. The keyswitch includes a body rotatably disposed inside the opening structure, a second rotating portion disposed on an upper side of the body and pivotably connected to the first rotating portion, a recovering portion connected to a low side of the body, and an actuating portion disposed on a surface of the body. An end of the recovering portion opposite to the body contacts against the constraining portion. The actuating portion is adapted to actuate a switch disposed on the base when the keyswitch rotates relative to the base.

Abstract: The present invention relates to a household appliance (1) comprising a control panel (2) having an area (A) designated thereon which provides the user to select the desired program parameters by touching, a board holder (3) situated behind the control panel (2), a circuit board (4) situated in the board holder (3), at least one touch button (7) having at least one spring (5) one end of which is fixed to the circuit board (4) and which transmits to the circuit board (4) the capacitive difference that is formed when the designated area (A) is touched and having a plate (6) which is fixed to the free end of the spring (5) so as to contact the control panel (2), and a cover (8) mounted onto the circuit holder (3) and providing the circuit board (4) to be fixed in the board holder (3).

Abstract: A keyswitch includes a cap, a support structure, a first magnet, and a baseplate having a bending arm protruding from the baseplate and a support rib extending horizontally to form a receiving space with the bending arm. The support structure includes a first support member pivoted to the baseplate and against the cap and a magnetic permeable plate extending from the first support member and being above the receiving space. The first magnet is inserted into the receiving space to be supported by the support rib and be pressed by the bending arm. When the cap is pressed to make the magnetic permeable plate away from the first magnet as the first support member rotates, the cap moves to a pressed position. When the cap is released, a magnetic attraction force between the magnetic permeable plate and the first magnet drives the magnetic permeable plate to approach the first magnet.